Search a number
BaseRepresentation
bin101001000110
310121102
4221012
541010
620102
710445
oct5106
93542
102630
111a81
121632
131274
14d5c
15ba5
hexa46

2630 has 8 divisors (see below), whose sum is σ = 4752. Its totient is φ = 1048.

The previous prime is 2621. The next prime is 2633. The reversal of 2630 is 362.

Adding to 2630 its reverse (362), we get a palindrome (2992).

It can be divided in two parts, 26 and 30, that multiplied together give a triangular number (780 = T39).

It is a happy number.

2630 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 141.

It is an arithmetic number, because the mean of its divisors is an integer number (594).

22630 is an apocalyptic number.

2630 is a deficient number, since it is larger than the sum of its proper divisors (2122).

2630 is a wasteful number, since it uses less digits than its factorization.

2630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2630 is about 51.2835256198. The cubic root of 2630 is about 13.8033738163.

The spelling of 2630 in words is "two thousand, six hundred thirty".

Divisors: 1 2 5 10 263 526 1315 2630